{"id":"CVE-2026-51376","state":"PUBLISHED","title":"An issue in BitChat for iOS v1.15.0 allows a remote attacker to cause a denial of service via an unauthenticated MESSAGE packet into the mesh gossip cache","description":"An issue in BitChat for iOS v1.15.0 allows a remote attacker to cause a denial of service via an unauthenticated MESSAGE packet into the mesh gossip cache","publishedAt":"2026-08-28T00:00:00.000Z","updatedAt":"2026-09-01T19:08:13.111Z","severity":{"score":6.5,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","source":"CISA-ADP"},"assigner":"mitre","products":["n/a n/a"],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":["https://github.com/permissionlesstech/bitchat/pull/998","https://github.com/BARGHEST-ngo/PoC_Bitchat1.15.0_iOS-BLEcache-poisoning","https://barghest.asia/blog/bitchat-cache-poisoning/"],"weaknesses":["CWE-444"],"ingestedAt":"2026-10-29T20:12:16.098Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/51xxx/CVE-2026-51376.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-51376","state":"PUBLISHED","datePublished":"2026-08-28T00:00:00.000Z","dateUpdated":"2026-09-01T19:08:13.111Z","assignerShortName":"mitre","assignerOrgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","dateReserved":"2026-06-07T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"An issue in BitChat for iOS v1.15.0 allows a remote attacker to cause a denial of service via an unauthenticated MESSAGE packet into the mesh gossip cache"}],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":[{"url":"https://github.com/permissionlesstech/bitchat/pull/998"},{"url":"https://github.com/BARGHEST-ngo/PoC_Bitchat1.15.0_iOS-BLEcache-poisoning"},{"url":"https://barghest.asia/blog/bitchat-cache-poisoning/"}],"problemTypes":[{"descriptions":[{"type":"text","lang":"en","description":"n/a"}]}],"providerMetadata":{"shortName":"mitre","orgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","dateUpdated":"2026-08-28T15:32:20.805Z"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":6.5,"attackVector":"ADJACENT_NETWORK","baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","integrityImpact":"NONE","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"NONE","confidentialityImpact":"NONE"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-09-01T19:06:36.490469Z","id":"CVE-2026-51376","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-444","type":"CWE","lang":"en","description":"CWE-444 Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-09-01T19:08:13.111Z"}}]}}}